Not at all. There are a number of small drones (field launchable by a single person) used for surveillance and delivering kinetic payloads.
This is one of many that are publicly acknowledged
https://en.m.wikipedia.org/wiki/AeroVironment_Switchblade
The RQ-11 is a hand launchable drone used by the US (among others) with more than 19k airframes having been delivered.